REPURCHASE AGREEMENTS (Details 1) - USD ($)	Dec. 31, 2014	Dec. 31, 2013
Repurchase Agreements [Line Items]
Repurchase agreements	$ 594,877,852	$ 412,172,000
Maturity up to 30 days [Member]
Repurchase Agreements [Line Items]
Repurchase agreements	465,817,820	373,422,000
Maturity 31 To 60 Days [Member]
Repurchase Agreements [Line Items]
Repurchase agreements	86,025,327	38,750,000
Maturity Over 90 Days Member [Member]
Repurchase Agreements [Line Items]
Repurchase agreements	$ 43,034,705	$ 0